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Technology

Work light twice as hard to make cheap solar cells

The most energetic photons hitting a solar cell pack enough of a punch to free up two electrons, rather than the usual one, and generate more current

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Charge your phone with a beach towel

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Space

Out-of-this-world proposal for solar wind power

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Oil company to build longest floating vessel ever

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Oil company to build longest floating vessel ever

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Technology

Japan to begin drilling for methane in undersea slush

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Technology

Born-again solar cells are more efficient

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Green machine: Squeezing solar juice from jellyfish

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Green machine: Squeezing solar juice from jellyfish

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Technology

Edible crystals could store hydrogen fuel

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Earth

Briefing: How bad is the new Gulf oil rig fire?

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Earth

Mobile chargers could keep electric cars juiced up

Mobile charging units that respond to in-car sensors could ensure that electric car owners never need fear getting stranded

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Earth

Arctic oil and gas drilling ready to take off

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Earth

Green machine: Perfecting the plant way to power

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Earth

Innovation: Sunrise boulevards could bring clean power

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Technology

Can we grab electricity from muggy air?

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